add pagination on lazy loading support,and fix a logic bug.

Change-Id: I4656c68670f59e2bc51cab37a9bf30a2cbd3d1f3
Signed-off-by: Sharl <amoiz.shine@gmail.com>
UI improvements,and some minor changes.

Change-Id: Ia83fced16dde2ca975ea1c1d9528826f28ae3d38
Signed-off-by: Sharl <amoiz.shine@gmail.com>